30TH AVE
Carrying 30TH AVE over ADDISON CR
0.7 M E. US 45, Cook, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 30TH AVE
The 30TH AVE bridge in Cook, Illinois carries 30TH AVE over ADDISON CR. It was built in 1928, making it 98 years old today. It was last reconstructed in 1969, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 150 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 25.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 30TH AVE compares
Live comparison across Illinois.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1928
- Last Reconstructed
- 1969
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 9.8 m (32 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 150 vehicles/day
- Structure Number
- 016658000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
30TH AVE is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare 30TH AVE against other structures in Cook and across Illinois. Illinois bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for 30TH AVE?
30TH AVE in Cook, Illinois on the FHWA's 0–9 scale.
How often is 30TH AVE inspected?
30TH AVE's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 150 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 30TH AVE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 30TH AVE?
30TH AVE has an NBI inventory load rating of 25.9 metric tons.
Who is responsible for maintaining 30TH AVE?
30TH AVE is owned and maintained by City/Municipal Highway Agency.
How old is 30TH AVE and does age affect safety?
30TH AVE was built in 1928, making it 98 years old and last reconstructed in 1969.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.